<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>accumulate</title>
</head>

<body>
    <div>打开浏览器控制台查看结果</div>
    <script>
        const accumulate = (...args) =>
            args.reduce((acc, n) => [...acc, n + +acc.slice(-1)], []);
        console.log(accumulate(1, 2, 3, 4));; // [1, 3, 6, 10]
        console.log(accumulate(...[1, 2, 3, 4]));; // [1, 3, 6, 10]
    </script>
</body>

</html>